Bracketed key value - limit OR foreach ... in OR?

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Sebastien DErrico

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Continuing my quest to convert .NET to Progress, I faced another challenge yesterday.

Our company bought time ago a .NET DLL to manage Excel document without the need to install Microsoft Excel. There is several functions that return a series of cells depending of the need.

The returned value is a class that implement IEnumerator interface in .NET.

The problem is that I cannot find a way to iterate trough the cells without getting the error:

System.ArgumentException: Row or column index is invalid or out of required range


Is there a way to in Progress to validate if X is inside of the extent range?

Thank you! Sebastien

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